. >>> this weekend on american history tv, harvard professor john stoufr on the civil war and the movement to end slavery. >> it's one of the fascinating aspects of abolitionism is that when lincoln gives his inaugural, the abolitionists are still a minority and they are still despised. what transforms abolitionists into respected critics of the american scene is fort sumter. >> saturday night at 8:00 eastern. all from our series on the contenders. a look at eugene debs, a socialist candidate for president. sunday at 7:30 p.m. american history tv this weekend on c-span 3. >>> the senate transportation committee questioned the nominee to be the head of the federal aviation administration. michael huerta is being questioned by the senators, as he's been nominated to be the head of the faa. senator questioned him about new pilot safety programs to address fatigue. this is just over an hour. the senate committee will come to order. i'd like to thank our witness for being here, mr. her ta, who the nominee to be the faa administrator. i'm priding at the request of the chairman of the full commit